Windows 10 build 16237 now rolling out for Insiders in the Fast ring

A new Insider Preview build is upon us with more fixes and changes! Let's see what's new.
Microsoft is rolling out a brand new Insider Preview build for desktop users in the Fast ring! Today, build 16237 is the build in question, and is packing a whole bunch of new changes and features worthy of note. This build is only for PC, and there is no Mobile build being rolled out today.